Finding the Third Proportional to 229,121.50 and 503,072

Step by Step Solution

1. Step 1: Write the proportion equation
   229,121.50 : 503,072 = 503,072 : x
2. Step 2: Convert to fraction form
   229,121.50/503,072 = 503,072/x
3. Step 3: Cross multiply
   229,121.50x = 503,072 × 503,072
4. Step 4: Simplify right side
   229,121.50x = 253,081,437,184
5. Step 5: Solve for x
   x = 253,081,437,184/229,121.50
6. Step 6: Final answer
   x = 1,104,573.06